Home / 733,781.70-1,100,781.90-260,427.42

Finding the Fourth Proportional to 733,781.70, 1,100,781.90 and 260,427.42

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Solution

The fourth proportional to 733,781.70, 1,100,781.90 and 260,427.42 is: 390,679.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,781.70 : 1,100,781.90 = 260,427.42 : x
  2. Step 2: Convert to fraction form
    733,781.70/1,100,781.90 = 260,427.42/x
  3. Step 3: Cross multiply
    733,781.70x = 1,100,781.90 × 260,427.42
  4. Step 4: Simplify right side
    733,781.70x = 286,673,790,199.70
  5. Step 5: Solve for x
    x = 286,673,790,199.70/733,781.70
  6. Step 6: Final answer
    x = 390,679.94

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.